/Engine/Source/Runtime/Core/Public/Internationalization/TextLocalizationManager.h
Attempts to find a local revision history for the given text ID. This will only be set if the display string has been changed since the localization manager version has been changed (eg, if it has been edited while keeping the same key).
The local revision, or 0 if there have been no changes since a global history change.
uint16 GetLocalRevisionForTextId ( const [FTextId](API\Runtime\Core\Internationalization\FTextId) & InTextId ) const